WAPA may refer to:

• WAPA (AM), a radio station (680 AM) licensed to San Juan, Puerto Rico
• WAPA-TV, a television station (channel 4 analog/27 digital) licensed to San Juan, Puerto Rico
• Western Area Power Administration, a United States Federal Government Administration within the Department of Energy
• Warsaw Pact, an organization of communist states created in 1955 to counter NATO
• Amahai Airport, in Amahai, West Papua, Indonesia (ICAO code WAPA)
• World Apple and Pear Association, an industry body representing major apple and pear producing countries globally

• Adler (band)
• Adler, Barbara
• Adler, Belle
• Adler, Bill
• Adler, Binyomin
• Adler, Carine
• Adler, Charlie
• Adler, Chris
• Adler, Cisco
• Adler (comics)
• Adler, Consuelo
• Adlercreutz, Eric
• Adlercreutzia
• Adler, Cyrus
• Adler, Daniel
• Adler, Danny
• Adler, Darin
• Adler, Devorah
• Adler (disambiguation)
• Adler District
• Adler, Duane
• Adler, Egon
• Adlereiche
• Adler, Emanuel
• Adler, Eve